* {
	margin: 0;
	padding: 0;
}

ul li {
	list-style: none;
}


/*html{
max-width: 640px;
}*/

.select {
	width: 100%;
	margin-top: 0.31rem;
	display: block;
	min-height: 0.5rem;
}

.select p {
	float: left;
	font-size: 0.23rem;
	border-radius: 3px;
	padding: 0.05rem 0.1rem;
}

.select p:first-child {
	background: #6ab494;
	color: white;
	margin-left: 0.5rem;
}

.select p:nth-child(2) {
	background: #fc9b13;
	color: #ffffff;
	margin-left: 0.2rem;
}

.select p:nth-child(2) span:nth-child(2) {
	background: #ffffff;
	color: #fc9b13;
	padding: 0.04rem 0.05rem;
}

.select p:nth-child(3) {
	background: #f76249;
	color: #ffffff;
	margin-left: 0.2rem;
}

.select p:nth-child(3) span:nth-child(2) {
	background: #ffffff;
	color: #f76249;
	padding: 0.04rem 0.06rem;
}


/*练习题部分*/

.main {
	width: 100%;
	margin: 0 auto;
}

.main_wrap1 {
	width: 100%;
}

.main_wrap1 .topic {
	overflow: hidden;
	margin-top: 0.3rem;
	margin-left: -0.1rem;
}

.main_wrap1 .topic span {
	font-size: 0.4rem;
	display: block;
}

.main_wrap1 .topic span:first-child {
	padding: 0 0.5rem;
}

.main_wrap1 .topic span:nth-child(2) {
	margin-top: -0.54rem;
	margin-left: 1rem;
}


/*tu*/

.print {
	width: 90%;
	height: 3rem;
	background: #d3d3d3;
	margin-left: 0.5rem;
	margin-top: 0.5rem;
}

.print img {
	width: 100%;
	height: 4rem;
}

.key {
	border-top: 1px solid #e6e6e6;
	margin-top: 0.39rem;
}

.key ul {
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	flex-direction: row;
	-ms-flex-direction: row;
	-webkit-flex-direction: row;
	justify-content: space-between;
	-webkit-justify-content: space-between;
	flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	-webkit-flex-wrap: wrap;
}

.key ul li {
	width: 48%;
	min-height: 0.8rem;
	margin-bottom: 0.3rem
}

.key ul li span {
	font-size: 0.35rem;
}

.key ul li span:first-child {
	display: block;
	float: left;
	width: 0.5rem;
	height: 0.5rem;
	border: 1px solid #999;
	border-radius: 50%;
	padding: 0.2rem;
	text-align: center;
	margin-top: 0.2rem;
	margin-left: 0.3rem
}

.key ul li span:nth-child(2) {
	display: block;
	float: right;
	margin-top: 0.4rem;
	word-wrap: break-word;
	word-break: break-all;
	width: 70%
}

.analysis {
	width: 100%;
	border-top: 1px solid #e6e6e6;
	margin-top: 0.3rem;
	overflow: hidden;
}

.analysis span:first-child {
	font-size: 0.36rem;
	margin: 0.2rem 0 0 0.5rem;
	color: #999999;
	display: block;
}

.analysis span:last-child {
	display: inline-block;
	width: 100%;
	text-align: center;
}

.analysis p {
	font-size: 0.35rem;
	margin: 0.2rem 0 0 0.5rem;
	display: block;
}

#navigation {
	position: fixed;
	bottom: 0;
	min-height: 0.7rem;
	border-top: 1px solid #999999;
	overflow: hidden;
	background: #ffffff;
	width: 100%;
	padding-bottom: 0.3rem;
}

#navigation ul li {
	float: left;
}

.main button {
	width: 2.5rem;
	height: 1rem;
	background: #fc9e16;
	/* display: block; */
	font-size: 0.36rem;
	border-radius: 10px;
	/* margin: 0 auto; */
	margin-left: 3.5rem;
	color: #fff;
	border: none;
	margin-bottom: 1.5rem;
}


/*收藏题弹出部分*/

.collects_title {
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	justify-content: space-between;
	margin-top: 0.35rem;
}

.collects_title img {
	width: 0.4rem;
	height: 0.4rem;
	vertical-align: top;
}

.collects_title_left {
	font-size: 0.4rem;
	padding-left: 0.15rem;
	line-height: 0.4rem;
}

.collects_title_right {
	font-size: 0.4rem;
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	justify-content: space-between;
	padding-right: 0.2rem;
	line-height: 0.4rem;
}

.collects_title_right figure {
	margin-left: 0.5rem;
}
